Tm21a 2025

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The document is Form TM21A, used to record changes in the name, address, or email of a trade mark owner without any fee. It outlines the necessary sections to fill out for such changes and specifies that this form should not be used for ownership transfers or corrections due to clerical errors. Additional instructions include requirements for witness statements if correcting a name error and details on where to send the completed form.

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Click ‘Get Form’ to open the tm21a in the editor.
Begin by entering the trade mark number(s) in Section 1. If you need more space, attach a continuation page.
In Section 2, provide the full name of the recorded owner as it appears on the register.
For changes to owner’s details, tick the applicable boxes in Section 3 and complete Sections 4, 5, and 6 for new name, address, and email respectively.
If correcting a name error, ensure to include a witness statement as outlined in Section 4.
Fill out Section 7 with your details if they differ from Section 5. This is where confirmation will be sent.
Complete the declaration in Section 8 by signing and dating it to confirm no ownership change has occurred.
If applicable, note any other register changes in Section 9 and provide your reference in Section 10 for future communications.

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Got questions?

We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

Can you change the owner of a trademark?

To change the owner of a federal trademark registration or application, a trademark assignment should be signed and recorded with the USPTO.

When can a trademark be applied?

A trademark may be applied for before a product or service is offered for sale (the mark for registration is merely asserted to be intended for eventual use in commerce), or upon or after actual use (the mark is used on goods and services being offered for sale).

Can you change the address of your trademark?

Changes to either the name or mailing address of a trademark holder must be made directly with the International Bureau (IB) of the World Intellectual Property Organization, through Form MM9.

What are the absolute grounds for refusal of registration?

These grounds are based on the principle that a trademark should not be registered if it lacks the necessary distinctiveness, is descriptive or generic, or is contrary to public policy or morality.